CA1154117A - Systeme detecteur de fuites de liquides - Google Patents

Systeme detecteur de fuites de liquides

Info

Publication number
CA1154117A
CA1154117A CA000329458A CA329458A CA1154117A CA 1154117 A CA1154117 A CA 1154117A CA 000329458 A CA000329458 A CA 000329458A CA 329458 A CA329458 A CA 329458A CA 1154117 A CA1154117 A CA 1154117A
Authority
CA
Canada
Prior art keywords
light guide
oil
light
liquid
detection system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000329458A
Other languages
English (en)
Inventor
Masaya Tanaka
Mitsuo Ono
Sadao Degawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IHI Corp
Original Assignee
Ishikawajima Harima Heavy Industries Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP53070660A external-priority patent/JPS5920092B2/ja
Priority claimed from JP1978080296U external-priority patent/JPS5854695Y2/ja
Priority claimed from JP7066278A external-priority patent/JPS54161988A/ja
Priority claimed from JP7066178A external-priority patent/JPS54161987A/ja
Priority claimed from JP9591478U external-priority patent/JPS5514852U/ja
Application filed by Ishikawajima Harima Heavy Industries Co Ltd filed Critical Ishikawajima Harima Heavy Industries Co Ltd
Application granted granted Critical
Publication of CA1154117A publication Critical patent/CA1154117A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
    • G01M3/045—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means
    • G01M3/047—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means with photo-electrical detection means, e.g. using optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle
    • G01N21/431—Dip refractometers, e.g. using optical fibres
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4202—Packages, e.g. shape, construction, internal or external details for coupling an active element with fibres without intermediate optical elements, e.g. fibres with plane ends, fibres with shaped ends, bundles
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4292—Coupling light guides with opto-electronic elements the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4295—Coupling light guides with opto-electronic elements coupling with semiconductor devices activated by light through the light guide, e.g. thyristors, phototransistors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4298—Coupling light guides with opto-electronic elements coupling with non-coherent light sources and/or radiation detectors, e.g. lamps, incandescent bulbs, scintillation chambers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4415—Cables for special applications
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/4469—Security aspects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Examining Or Testing Airtightness (AREA)
CA000329458A 1978-06-12 1979-06-11 Systeme detecteur de fuites de liquides Expired CA1154117A (fr)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP53070660A JPS5920092B2 (ja) 1978-06-12 1978-06-12 光学式油検出器
JP70660/1978 1978-06-12
JP70662/1978 1978-06-12
JP95914/1978 1978-06-12
JP1978080296U JPS5854695Y2 (ja) 1978-06-12 1978-06-12 油漏れ検出器
JP7066278A JPS54161988A (en) 1978-06-12 1978-06-12 Method of detecting oil leak from piping
JP7066178A JPS54161987A (en) 1978-06-12 1978-06-12 Oil leak detector tightly fitted on peripheral edge of tank
JP70661/1978 1978-06-12
JP9591478U JPS5514852U (fr) 1978-07-12 1978-07-12
JP80296/1978 1979-06-12

Publications (1)

Publication Number Publication Date
CA1154117A true CA1154117A (fr) 1983-09-20

Family

ID=27524281

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000329458A Expired CA1154117A (fr) 1978-06-12 1979-06-11 Systeme detecteur de fuites de liquides

Country Status (2)

Country Link
US (1) US4270049A (fr)
CA (1) CA1154117A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4870292A (en) * 1988-03-15 1989-09-26 Focal Marine Limited Fibre optic sensor for liquid level and other parameters
US4942306A (en) * 1988-12-30 1990-07-17 Focal Technologies Incorporated Fibre optic sensor for the continuous measurement liquids level and other parameters

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4352983A (en) * 1980-04-21 1982-10-05 Southwest Research Institute Method and apparatus for measuring concentration of suspended oils in water
US4629318A (en) * 1981-03-26 1986-12-16 Vfw Gmbh Measuring device for determining cracks
EP0071561A3 (fr) * 1981-06-30 1984-05-16 Hahn-Meitner-Institut für Kernforschung Berlin GmbH Système de garde pour station de puissance
NL8200495A (nl) * 1982-02-09 1983-09-01 Nederlanden Staat Lichtgeleider voor vochtsignalering en kabel omvattende zulk een geleider.
DE3234900A1 (de) * 1982-09-21 1984-03-22 Siemens Ag Faseroptischer sensor
FR2561838B1 (fr) * 1984-03-23 1986-09-19 Arzur Bernard Cable optique pressurise equipe pour la detection et la localisation de pertes de pression susceptibles de l'affecter
EP0170736A1 (fr) * 1984-07-09 1986-02-12 Amon, Glen C. Système de surveillance d'état des défauts d'un pipeline
US4634856A (en) * 1984-08-03 1987-01-06 The United States Of America As Represented By The United States Department Of Energy Fiber optic moisture sensor with moisture-absorbing reflective target
US4618258A (en) * 1984-08-03 1986-10-21 Polaroid Corporation Method for measuring loop coupling efficiency
US4635281A (en) * 1984-11-23 1987-01-06 Jones J Paul Means for counting drops
US4708941A (en) * 1985-03-07 1987-11-24 The United States Of America As Represented By The Secretary Of The Navy Optical waveguide sensor for methane gas
JPS61280541A (ja) * 1985-06-05 1986-12-11 Power Reactor & Nuclear Fuel Dev Corp 液体漏洩検出方法
US4631952A (en) * 1985-08-30 1986-12-30 Chevron Research Company Resistive hydrocarbon leak detector
US4776659A (en) * 1985-11-21 1988-10-11 Mruk Walter S Optical coupler integrated with light emitter and detector units
US5005005A (en) * 1986-03-10 1991-04-02 Brossia Charles E Fiber optic probe system
EP0245753A3 (fr) * 1986-05-09 1990-04-25 Fujikura Ltd. Câble à fibre optique de détection d'une pénétration d'eau
US4834497A (en) * 1987-02-27 1989-05-30 The United States Of American As Represented By The United States Department Of Energy Fiber optic fluid detector
FI77536C (fi) * 1987-03-10 1989-03-10 Soundek Oy Fiberoptisk detektor foer oljor och loesningsmedel.
FR2620237B1 (fr) * 1987-09-09 1991-10-04 Electronique Ste Moderne Dispositif de connexion pour fibre optique
US4866265A (en) * 1988-03-11 1989-09-12 Nynex Corporation Optical moisture sensor using an expanded optical beam
US4904878A (en) * 1988-08-12 1990-02-27 Caterpillar Inc. Multi-point refractive liquid level sensor
US5274721A (en) * 1992-03-05 1993-12-28 American Sigma, Inc. Fiber optic system and method
US5856783A (en) * 1990-01-02 1999-01-05 Raptor, Inc. Pump control system
US5058420A (en) * 1990-04-20 1991-10-22 Hughes Aircraft Company Fiber optic liquid leak detector
DE4015190A1 (de) * 1990-05-11 1991-11-21 Gore W L & Ass Gmbh Flachbodentank und verfahren zur leckueberwachung von flachbodentanks
US5138153A (en) * 1990-07-13 1992-08-11 Conoco Inc. Distributed fiber-optic sensor with substance selective permeable coating
US5187366A (en) * 1991-06-25 1993-02-16 Joram Hopenfeld Sensors for detecting leaks
US5200615A (en) * 1991-06-25 1993-04-06 Joram Hopenfeld Method and apparatus for detecting the presence of fluids
CA2089223C (fr) * 1992-02-13 1999-06-01 Kazuo Amano Ouvrage de detection de temperature anormale, destine a une conduite de fluide
JP3157952B2 (ja) * 1993-06-02 2001-04-23 アヴェンティス・リサーチ・ウント・テクノロジーズ・ゲーエムベーハー・ウント・コー・カーゲー 化学物質検出用光学センサー
US5378889A (en) * 1993-09-23 1995-01-03 California Lightwave Laboratories, Inc. Method and apparatus for detecting hydrocarbon fuels in a vapor state with an absorber-expander member
WO1996031769A1 (fr) * 1995-04-05 1996-10-10 Brasscorp Ltd. Dispositif, systeme et procede de detection de defauts
US6177678B1 (en) 1995-04-05 2001-01-23 Brasscorp Ltd. Method and apparatus for leak detection and non-destructive testing
US5714681A (en) * 1996-05-14 1998-02-03 Furness; Robert L. Double carcass hose failure detection system
US5712934A (en) * 1996-07-25 1998-01-27 Johnson; Douglas M. Fiber optic infrared sensor
US5828798A (en) * 1996-09-09 1998-10-27 Hopenfeld; Joram Looped fiber-optic sensor for the detection of substances
US5796097A (en) * 1997-03-05 1998-08-18 California Lightwave Laboratories, Inc. Chemical sensor and method
US5900820A (en) * 1997-06-09 1999-05-04 The United States Of America As Represented By The Secretary Of The Army System and method for detection of frazil ice on underwater grating
DE19843974C1 (de) * 1998-09-24 2000-04-20 Geso Ges Fuer Sensorik Geotech Vorrichtung und Verfahren zur Kontrolle und Überwachung der Dämmung von Mantelrohren
US6710878B1 (en) * 1999-06-14 2004-03-23 General Electric Company In-line particulate detector
EP1472664A1 (fr) * 2002-02-06 2004-11-03 Screen Technology Limited Affichage a plaque avant en fibre optique
KR101641011B1 (ko) 2003-07-28 2016-07-19 가부시키가이샤 니콘 노광 장치 및 디바이스 제조 방법, 그리고 노광 장치의 제어 방법
CN101644899B (zh) * 2003-07-28 2012-02-22 株式会社尼康 曝光装置及器件制造方法
US8384874B2 (en) * 2004-07-12 2013-02-26 Nikon Corporation Immersion exposure apparatus and device manufacturing method to detect if liquid on base member
DE102005034642B3 (de) * 2005-07-25 2006-08-03 Siemens Ag Mikrofluidiksystem
US7453367B2 (en) * 2005-12-12 2008-11-18 Veyance Technologies, Inc. Leak detection system and method for offshore hose lines
GB2442981B (en) * 2006-01-26 2009-01-21 Schlumberger Holdings System and method for detecting moisture
US7387012B2 (en) * 2006-07-14 2008-06-17 Veyance Technologies, Inc. Leak detection sensor system and method for double carcass hose
US7509841B2 (en) * 2006-07-14 2009-03-31 Veyance Technologies, Inc. Flexible leak detection system and method for double carcass hose
US20080134761A1 (en) * 2006-12-06 2008-06-12 Bryce Peter W Oil Entrapment and Containment Channel for Above Ground Pipelines
CA2716795C (fr) * 2008-02-25 2018-07-31 Nkt Flexibles I/S Systeme de tuyauterie, systeme de detection de fluide pour un systeme de tuyauterie et procede de determination d'un composant de fluide dans une cavite annulaire d'un tuyau
US9291521B2 (en) 2010-12-30 2016-03-22 Eaton Corporation Leak detection system
US8528385B2 (en) 2010-12-30 2013-09-10 Eaton Corporation Leak detection system
EP3978891A3 (fr) 2015-06-30 2022-06-29 Saint-Gobain Performance Plastics Corporation Système de détection de fuite
IL274960B2 (en) 2017-11-27 2025-03-01 Saint Gobain Performance Plastics Corp Leak detection system and method of making and using the same
CN109738366A (zh) * 2018-12-28 2019-05-10 林亭妤 用于感测吸湿芯体排泄物存在的装置
US11105973B2 (en) 2019-01-11 2021-08-31 Schott Corporation Optically enhanced high resolution image guides
US11788918B2 (en) 2020-06-18 2023-10-17 Trevillyan Labs, Llc Fluid detection fabric

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3383863A (en) * 1966-08-03 1968-05-21 Joe R. Berry Pond, tank and pit liner and method of detecting leaks
US3564526A (en) * 1966-12-23 1971-02-16 Butts Ernest Otto Pipeline leak detection device
US3721898A (en) * 1968-12-04 1973-03-20 P Dragoumis Apparatus for detecting leakage from or rupture of pipes and other vessels containing fluid under pressure
DE7519901U (de) * 1975-06-23 1975-11-13 Planck M Gesellschaft Zur Foerderung Der Wissenschaften Lichtleiterkupplung
GB1507747A (en) * 1975-08-21 1978-04-19 Standard Telephones Cables Ltd Immiscible liquids measurement
JPS5376889A (en) * 1976-12-18 1978-07-07 Denki Kagaku Keiki Kk Sensor for oils* etc*

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4870292A (en) * 1988-03-15 1989-09-26 Focal Marine Limited Fibre optic sensor for liquid level and other parameters
US4942306A (en) * 1988-12-30 1990-07-17 Focal Technologies Incorporated Fibre optic sensor for the continuous measurement liquids level and other parameters

Also Published As

Publication number Publication date
US4270049A (en) 1981-05-26

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Legal Events

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